CN104279964A - Pill case width measuring method based on optical signals and encoder signals - Google Patents
Pill case width measuring method based on optical signals and encoder signals Download PDFInfo
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- CN104279964A CN104279964A CN201410604722.8A CN201410604722A CN104279964A CN 104279964 A CN104279964 A CN 104279964A CN 201410604722 A CN201410604722 A CN 201410604722A CN 104279964 A CN104279964 A CN 104279964A
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Abstract
The invention discloses a pill case width measuring method based on optical signals and encoder signals and belongs to the field of medicine automation. The method aims to solve the problem that the dimension error is large when the width of a pill case is measured manually. According to the scheme, n pill cases to be measured are pressed and placed at any position in a middle region of a bottom plate. The method comprises the following steps that firstly, a motor drives a U-shaped frame compression mechanism to move leftwards from the right side edge of the bottom plate along the bottom plate; secondly, when the intensity of a light intensity signal detected by a photoelectric switch array in the U-shaped frame compression mechanism drops below a set threshold value, the motor stops running, and the advancing distance D1 of the U-shaped frame compression mechanism is recorded; thirdly, the width DSigma of the n pill cases is obtained according to the formula DSigma=D-D1, wherein D refers to the width of the bottom plate; fourthly, the width d of each pill case is obtained according to the formula d=DSigma/n.
Description
Technical field
The present invention relates to a kind of measurement electromechanical integrated device, belong to medical automatic field.
Background technology
Traditional hospital pharmacy deposit medicine, mode of getting it filled all manually completes, large batch of classifying drugs stored, manual record is on record, when patient gets it filled, staff takes medicine to rebill patient from depository, this mode required time is relatively long, inefficiency, when patient is many, the phenomenon standed in a long queue will be caused, in order to address this problem, some hospitals can increase staff, but can increase cost of labor accordingly; In order to fundamentally address this problem, the assisted automated management equipment of medicine has just been put on schedule, and at present, this kind equipment is in the development initial stage, a lot of details imperfection.
In the assisted automated management equipment process of development medicine, building of drug data bank can be related to, often kind of different medicine all will have the data of its medicine box size in a database, namely when all carrying out dimensional measurement before a kind of new drug warehouse-in, the width measure of its Chinese medicine box is absolutely necessary, and the manual measurement mostly adopted at present, but the error of manual measurement is relatively large, cannot meet the accuracy requirement of the assisted automated management equipment whole-course automation of medicine.
Summary of the invention
The present invention seeks to solve the large problem of manual measurement medicine box width dimensions error, providing a kind of medicine box method for measuring width based on light signal and code device signal.
Medicine box method for measuring width based on light signal and code device signal of the present invention comprises two technical schemes:
First technical scheme: compressed by n to be measured medicine box and place near on the left of base plate, the method comprises the following steps:
The U-shaped frame hold-down mechanism of step one, driven by motor is moved to the left along base plate from base plate right side edge,
Step 2, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, motor is out of service, records the travel distance D of U-shaped frame hold-down mechanism
1;
Step 3, by formula D
Σ=D-D
1obtain the width D of n medicine box
Σ, wherein D is the width of base plate;
Step 4, by formula
Obtain medicine box width d.
Second technical scheme: compressed by a n to be measured medicine box and be placed on the optional position of base plate zone line, the method comprises the following steps:
The U-shaped frame hold-down mechanism of step one, driven by motor is moved to the left along base plate from base plate right side edge, in moving process, monitor the light intensity signal detected by optoelectronic switch array below light intensity signal and base plate left side edge light hole that the optoelectronic switch array detection in U-shaped frame hold-down mechanism arrives simultaneously, when described two light intensity signals are all less than setting threshold value time, motor is out of service, records the displacement D of now U-shaped frame hold-down mechanism
1;
Step 2, by formula D
Σ=D-D
1obtain the width D of n medicine box
Σ, wherein D is the width of base plate;
Step 3, by formula
Obtain medicine box width d.
Advantage of the present invention: adopt the present invention program to measure the width information of medicine box, measuring accuracy is high, and measuring speed is fast, and according to the common judgement of two optoelectronic switch arrays, effectively ensure that medicine box is put correctly, compression puts in place.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the medicine box method for measuring width based on light signal and code device signal of the present invention;
Fig. 2 is the structural representation that the medicine box method for measuring width based on light signal and code device signal of the present invention relates to device;
Fig. 3 is multiple medicine box placing direction schematic diagram;
Fig. 4 is the structural representation of U-shaped frame hold-down mechanism.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, based on the medicine box method for measuring width of light signal and code device signal described in present embodiment, compressed by n to be measured medicine box and place near on the left of base plate, it is characterized in that, the method comprises the following steps:
The U-shaped frame hold-down mechanism of step one, driven by motor is moved to the left along base plate from base plate right side edge,
Step 2, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, motor is out of service, records the travel distance D of U-shaped frame hold-down mechanism
1;
Step 3, by formula D
Σ=D-D
1obtain the width D of n medicine box
Σ, wherein D is the width of base plate;
Step 4, by formula
Obtain medicine box width d.
The travel distance D of U-shaped frame hold-down mechanism in step 2
1acquisition process be: read the encoder count that U-shaped frame hold-down mechanism when base plate right side edge, motor is arranged, read the encoder count that when U-shaped frame hold-down mechanism walks to n edge, the medicine box rightmost side from base plate right side edge, motor is arranged, the difference of two readings characterizes distance D
1.
Method for measuring width described in present embodiment adopts device as shown in Figure 2 to carry out, and this medicine box width of measuring device comprises U-shaped frame hold-down mechanism 1, start bit left plate 2, right plate 3, base plate 4, two slide rails 5, Timing Belt 6, multiple left sides light hole 7, motor 8 and Timing Belt loading part 9; Motor 8 is provided with scrambler;
Start bit left plate 2, right plate 3 and base plate 4 surround framework, U-shaped frame hold-down mechanism 1 clamps base plate 4, the lower surface of U-shaped frame hold-down mechanism 1 is provided with Timing Belt loading part 9, Timing Belt 6 is through Timing Belt loading part 9, and Timing Belt 6 drives work by the motor 8 being arranged on lower surface on the left of base plate 4; Timing Belt 6 drives U-shaped frame hold-down mechanism 1 to horizontally slip along two slide rails 5;
On the left of base plate 4, lower surface is provided with start bit optoelectronic switch array, and arranges multiple left sides light hole 7 with start bit optoelectronic switch array position corresponding position on base plate 4.
U-shaped frame hold-down mechanism 1 is made up of long-armed 101 and galianconism 102, as shown in Figure 4, long-armed 101 tops being positioned at galianconism 102, the upper surface of long-armed 101 is provided with groove 103, groove 103 opening part is provided with lid 108, and clamping plate 109 are vertically set on the left hand edge of lid 108, and is integrated part with lid 108, the bottom land of groove 103 is provided with stop bit optoelectronic switch array 105, the left side wall of groove 103 is provided with multiple U-shaped frame light hole 104;
Galianconism 102 is provided with two slide rail holes 106, the lower surface of galianconism 102 is provided with synchronous trough of belt 107.
Multiple U-shaped frame light hole 104 is spaced set.
Survey wide principle of work:
The medicine box of transversely arranged, the vertical placement of one row is placed on base plate 4, the arrangement of medicine box as shown in Figure 2, time this row n medicine box is placed on base plate 4 by staff, position is random, present embodiment n the adjacent start bit left plate 2 of medicine box, because be pick up n medicine box, so can ensure that between n medicine box be compact about artificial both hands simultaneously.
When medicine box adjacent start bit left plate 2, the start bit optoelectronic switch array detection that on the left of base plate 4, lower surface is arranged is to this signal, a Rule of judgment completes, U-shaped frame hold-down mechanism 1 is moved to the left from base plate 4 right-hand end, along with U-shaped frame hold-down mechanism 1 is moved to the left, when it is close to rightmost side medicine box, stop bit optoelectronic switch array 105 also detects shielding signals, second Rule of judgment completes, when each medicine box compact lean against on left plate time, U-shaped frame hold-down mechanism 1 can be obstructed when continuing to be moved to the left, the working current that motor 8 exports is undergone mutation, read the output valve of the scrambler on motor 8, then can obtain the width information nd of n medicine box, and then obtain the width information d of this kind medicine box.
The medicine box width information that present embodiment is measured after initial measurement stored in database, follow-up when medicine is managed, when needing the size of this medicine box, directly can transfer from database, and need not all measure at every turn.
Embodiment two: present embodiment is described further embodiment one, in step 2, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, the working current of monitoring motor, just controls motor out of service when the working current signal of described motor is undergone mutation.
In step 2, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, prove that this U-shaped frame hold-down mechanism presses close to medicine box, now can obtain the width of medicine box.But existing not to have between medicine box to compress and medicine box is not close to situation on the left of base plate, therefore by judging that motor working current changes, determine whether advancing of U-shaped frame hold-down mechanism is obstructed, and then determine whether to be close to medicine box, and then measure the width obtaining medicine box more accurately.
Embodiment three: present embodiment is described further embodiment one, in step 2, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, monitoring scrambler export data variation speed, when described data variation speed unexpected slack-off time just control motor out of service.
In step 2, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, prove that this U-shaped frame hold-down mechanism presses close to medicine box, now can obtain the width of medicine box.But existing not to have between medicine box to compress and medicine box is not close to situation on the left of base plate, therefore by judging the data variation of motor encoder, the data variation of scrambler represents the gait of march of U-shaped frame hold-down mechanism, when the gait of march of U-shaped frame hold-down mechanism is slack-off suddenly, represent and compress medicine box, and then measure acquisition medicine box width more accurately.
Embodiment four: present embodiment is described below in conjunction with Fig. 2 to Fig. 4, based on the medicine box method for measuring width of light signal and code device signal described in present embodiment, compressed by a n to be measured medicine box and be placed on the optional position of base plate zone line, the method comprises the following steps:
The U-shaped frame hold-down mechanism of step one, driven by motor is moved to the left along base plate from base plate right side edge, in moving process, monitor the light intensity signal detected by optoelectronic switch array below light intensity signal and base plate left side edge light hole that the optoelectronic switch array detection in U-shaped frame hold-down mechanism arrives simultaneously, when described two light intensity signals are all less than setting threshold value time, motor is out of service, records the displacement D of now U-shaped frame hold-down mechanism
1;
Step 2, by formula D
Σ=D-D
1obtain the width D of n medicine box
Σ, wherein D is the width of base plate;
Step 3, by formula
Obtain medicine box width d.
The travel distance D of U-shaped frame hold-down mechanism in step one
1acquisition process be: read the encoder count that U-shaped frame hold-down mechanism when base plate right side edge, motor is arranged, read the encoder count that when U-shaped frame hold-down mechanism walks to n edge, the medicine box rightmost side from base plate right side edge, motor is arranged, the difference of two readings characterizes distance D
1.
The difference of present embodiment and embodiment one is, the position that medicine box is put, n medicine box of present embodiment is in the optional position of base plate 4 zone line, U-shaped frame hold-down mechanism 1 is moved to the left from base plate 4 right-hand end, along with U-shaped frame hold-down mechanism 1 is moved to the left, when it is close to rightmost side medicine box, stop bit optoelectronic switch array 105 detects shielding signals, and first Rule of judgment completes; This n medicine box can be continued to promote left by U-shaped frame hold-down mechanism 1, until be pushed into high order end, the start bit optoelectronic switch array detection that on the left of base plate 4, lower surface is arranged is to shielding signals, second Rule of judgment completes, when each medicine box compact lean against on left plate 2 time, the U-shaped frame hold-down mechanism be moved to the left is obstructed, the working current that motor 8 exports is undergone mutation, read the output valve of the scrambler on motor 8, then can obtain the width information nd of n medicine box, and then obtain the width information d of this kind medicine box.
Embodiment five: present embodiment is described further embodiment four, in step, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, the working current of monitoring motor, just controls motor out of service when the working current signal of described motor is undergone mutation.
In step one, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, prove that this U-shaped frame hold-down mechanism presses close to medicine box, now can obtain the width of medicine box.But existing not to have between medicine box to compress and medicine box is not close to situation on the left of base plate, therefore by judging that motor working current changes, determine whether advancing of U-shaped frame hold-down mechanism is obstructed, and then determine whether to be close to medicine box, and then measure the width obtaining medicine box more accurately.
Embodiment six: present embodiment is described further embodiment four, in step, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, monitoring scrambler export data variation speed, when described data variation speed unexpected slack-off time just control motor out of service.
In step one, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, prove that this U-shaped frame hold-down mechanism presses close to medicine box, now can obtain the width of medicine box.But existing not to have between medicine box to compress and medicine box is not close to situation on the left of base plate, therefore by judging the data variation of motor encoder, the data variation of scrambler represents the gait of march of U-shaped frame hold-down mechanism, when the gait of march of U-shaped frame hold-down mechanism is slack-off suddenly, represent and compress medicine box, and then measure acquisition medicine box width more accurately.
Claims (8)
1., based on the medicine box method for measuring width of light signal and code device signal, compressed by n to be measured medicine box and place near on the left of base plate, it is characterized in that, the method comprises the following steps:
The U-shaped frame hold-down mechanism of step one, driven by motor is moved to the left along base plate from base plate right side edge,
Step 2, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, motor is out of service, records the travel distance D of U-shaped frame hold-down mechanism
1;
Step 3, by formula D
Σ=D-D
1obtain the width D of n medicine box
Σ, wherein D is the width of base plate;
Step 4, by formula
Obtain medicine box width d.
2. the medicine box method for measuring width based on light signal and code device signal according to claim 1, is characterized in that, the travel distance D of U-shaped frame hold-down mechanism in step 2
1acquisition process be: read the encoder count that U-shaped frame hold-down mechanism when base plate right side edge, motor is arranged, read the encoder count that when U-shaped frame hold-down mechanism walks to n edge, the medicine box rightmost side from base plate right side edge, motor is arranged, the difference of two readings characterizes distance D
1.
3. the medicine box method for measuring width based on light signal and code device signal according to claim 1, it is characterized in that, in step 2, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, the working current of monitoring motor, just controls motor out of service when the working current signal of described motor is undergone mutation.
4. the medicine box method for measuring width based on light signal and code device signal according to claim 1, it is characterized in that, in step 2, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, monitoring scrambler export data variation speed, when described data variation speed unexpected slack-off time just control motor out of service.
5., based on the medicine box method for measuring width of light signal and code device signal, compressed by a n to be measured medicine box and be placed on the optional position of base plate zone line, it is characterized in that, the method comprises the following steps:
The U-shaped frame hold-down mechanism of step one, driven by motor is moved to the left along base plate from base plate right side edge, in moving process, monitor the light intensity signal detected by optoelectronic switch array below light intensity signal and base plate left side edge light hole that the optoelectronic switch array detection in U-shaped frame hold-down mechanism arrives simultaneously, when described two light intensity signals are all less than setting threshold value time, motor is out of service, records the displacement D of now U-shaped frame hold-down mechanism
1;
Step 2, by formula D
Σ=D-D
1obtain the width D of n medicine box
Σ, wherein D is the width of base plate;
Step 3, by formula
Obtain medicine box width d.
6. the medicine box method for measuring width based on light signal and code device signal according to claim 5, is characterized in that, the travel distance D of U-shaped frame hold-down mechanism in step one
1acquisition process be: read the encoder count that U-shaped frame hold-down mechanism when base plate right side edge, motor is arranged, read the encoder count that when U-shaped frame hold-down mechanism walks to n edge, the medicine box rightmost side from base plate right side edge, motor is arranged, the difference of two readings characterizes distance D
1.
7. the medicine box method for measuring width based on light signal and code device signal according to claim 5, it is characterized in that, in step, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, the working current of monitoring motor, just controls motor out of service when the working current signal of described motor is undergone mutation.
8. the medicine box method for measuring width based on light signal and code device signal according to claim 5, it is characterized in that, in step, when the optoelectronic switch array detection in U-shaped frame hold-down mechanism to light intensity signal intensity drop to setting threshold value below time, monitoring scrambler export data variation speed, when described data variation speed unexpected slack-off time just control motor out of service.
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| CN201410604722.8A CN104279964A (en) | 2014-10-30 | 2014-10-30 | Pill case width measuring method based on optical signals and encoder signals |
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| CN201410604722.8A CN104279964A (en) | 2014-10-30 | 2014-10-30 | Pill case width measuring method based on optical signals and encoder signals |
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Cited By (3)
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| CN104613873A (en) * | 2015-01-28 | 2015-05-13 | 格力电器（合肥）有限公司 | Fan blade measuring tool |
| CN105806235A (en) * | 2016-04-28 | 2016-07-27 | 广西吉光电子科技有限公司 | Height detecting device for ox horn testing machine |
| CN107175221A (en) * | 2017-07-06 | 2017-09-19 | 上海观谷科技有限公司 | Medicine box measurement apparatus |
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| CN105806235A (en) * | 2016-04-28 | 2016-07-27 | 广西吉光电子科技有限公司 | Height detecting device for ox horn testing machine |
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